Ion electron converter

Details Ion electron converter Ion electron converter

1976-07-30

1978-07-18

Smith, Alfred E.

Radiant energy

With charged particle beam deflection or focussing

With detector

250398, H01J 314

Patent

active

041017714

ABSTRACT:
The ion-electron converter is primarily intended for the measurement of small positive ion currents. The essential feature of the converter is its curved conversion electrode which generates an electrostatic field with favorable ion-optical properties; in addition, it avoids high field strength at the conversion electrode, thus reducing spurious field electron emission. Both properties result in an ion detector of high efficiency and sensitivity for positive ions.

REFERENCES:
patent: 2161466 (1939-06-01), Henneberg
patent: 3538328 (1970-11-01), Strausser
patent: 3792263 (1974-02-01), Hashimoto et al.

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